Identify The Most Dangerous Snakes In North Dakota (With Images)

View endemic snakes in other US states

Common snakes found in the state of North Dakota


Western Rattlesnake

Crotalus viridis

High Risk

Venomous

50–95 cm (20–37 in)

  • Arizona
  • Colorado
  • Idaho
  • Iowa
  • Kansas
  • Montana
  • Nebraska
  • New Mexico
  • North Dakota
  • Oklahoma
  • South Dakota
  • Texas
  • Wyoming


Racer

Coluber constrictor

Low Risk

Nonvenomous

50 -152 cm (20 -60 in)

  • All States except Alaska & Hawaii


Ringneck Snake

Diadophis punctatus

Zero Risk

Nonvenomous

25–38 cm (10–15 in)

  • All States except Alaska & Hawaii


Western Hognose Snake

Heterodon nasicus

Low Risk

Nonvenomous

40–50 cm (15–20 in)

  • All States except Alaska & Hawaii


Gray-banded Kingsnake

Lampropeltis alterna

Low Risk

Nonvenomous

91 – 120 cm (3-4 ft)

  • Arkansas
  • Colorado
  • Louisiana
  • Montana
  • New Mexico
  • North Dakota
  • Oklahoma
  • South Dakota
  • Texas
  • Utah
  • Wyoming


Prairie Kingsnake

Lampropeltis calligaster

Low Risk

Nonvenomous

76–102 cm (30–40 in)

  • Alabama
  • Arkansas
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Nebraska
  • North Carolina
  • North Dakota
  • Ohio
  • South Carolina
  • South Dakota
  • Tennessee
  • Wisconsin


Northwestern Garter Snake

Thamnophis ordinoides

Low Risk

Nonvenomous

33–97cm (13–38 in)

  • California
  • Oregon


Gopher Snake

Pituophis catenifer

Low Risk

Nonvenomous

91–213 cm (36-84 in)

  • Arizona
  • California
  • Idaho
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Missouri
  • Montana
  • Nebraska
  • Nevada
  • New Mexico
  • North Dakota
  • Ohio
  • Oklahoma
  • Oregon
  • South Dakota
  • Texas
  • Utah
  • Washington
  • Wisconsin
  • Wyoming


Redbelly Snake

Storeria occipitomaculata

Low Risk

Nonvenomous

4–10 cm (10–25 in)

  • All States except Alaska & Hawaii


Plains Garter Snake

Thamnophis radix

Low Risk

Nonvenomous

38–71 cm (15–28 in)

  • Alabama
  • Arkansas
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Nebraska
  • North Dakota
  • Ohio
  • Oklahoma
  • South Dakota
  • Tennessee
  • Texas
  • West Virginia
  • Wisconsin


Common Garter Snake

Thamnophis sirtalis

Low Risk

Nonvenomous

55–137 cm (22–54 in)

  • All States except Alaska & Hawaii

For a full list of every venomous and nonvenomous snake found in the USA, check out my full article: Identity 130+ Snake Species From The USA (With Images)